src/x11/window.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/window.cpp
   3 // Purpose:     wxWindow
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // for compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if defined(__BORLANDC__)
  16     #pragma hdrstop
  17 #endif
  18
  19 // ============================================================================
  20 // declarations
  21 // ============================================================================
  22
  23 // ----------------------------------------------------------------------------
  24 // headers
  25 // ----------------------------------------------------------------------------
  26
  27 #include "wx/window.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/hash.h"
  31     #include "wx/log.h"
  32     #include "wx/app.h"
  33     #include "wx/utils.h"
  34     #include "wx/panel.h"
  35     #include "wx/frame.h"
  36     #include "wx/dc.h"
  37     #include "wx/dcclient.h"
  38     #include "wx/button.h"
  39     #include "wx/menu.h"
  40     #include "wx/dialog.h"
  41     #include "wx/timer.h"
  42     #include "wx/settings.h"
  43     #include "wx/msgdlg.h"
  44     #include "wx/scrolbar.h"
  45     #include "wx/listbox.h"
  46     #include "wx/scrolwin.h"
  47     #include "wx/layout.h"
  48     #include "wx/menuitem.h"
  49     #include "wx/module.h"
  50 #endif
  51
  52 #include "wx/fontutil.h"
  53 #include "wx/univ/renderer.h"
  54
  55 #if  wxUSE_DRAG_AND_DROP
  56     #include "wx/dnd.h"
  57 #endif
  58
  59 #include "wx/x11/private.h"
  60 #include "X11/Xutil.h"
  61
  62 #include <string.h>
  63
  64 // ----------------------------------------------------------------------------
  65 // global variables for this module
  66 // ----------------------------------------------------------------------------
  67
  68 static wxWindow* g_captureWindow = NULL;
  69 static GC g_eraseGC;
  70
  71 // ----------------------------------------------------------------------------
  72 // macros
  73 // ----------------------------------------------------------------------------
  74
  75 #define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
  76 #define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
  77 #define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
  78
  79 // ----------------------------------------------------------------------------
  80 // event tables
  81 // ----------------------------------------------------------------------------
  82
  83 IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
  84
  85 BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
  86     EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
  87 END_EVENT_TABLE()
  88
  89 // ============================================================================
  90 // implementation
  91 // ============================================================================
  92
  93 // ----------------------------------------------------------------------------
  94 // helper functions
  95 // ----------------------------------------------------------------------------
  96
  97 // ----------------------------------------------------------------------------
  98 // constructors
  99 // ----------------------------------------------------------------------------
 100
 101 void wxWindowX11::Init()
 102 {
 103     // X11-specific
 104     m_mainWindow = (WXWindow) 0;
 105     m_clientWindow = (WXWindow) 0;
 106     m_insertIntoMain = false;
 107     m_updateNcArea = false;
 108
 109     m_winCaptured = false;
 110     m_needsInputFocus = false;
 111     m_isShown = true;
 112     m_lastTS = 0;
 113     m_lastButton = 0;
 114 }
 115
 116 // real construction (Init() must have been called before!)
 117 bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
 118                          const wxPoint& pos,
 119                          const wxSize& size,
 120                          long style,
 121                          const wxString& name)
 122 {
 123     wxCHECK_MSG( parent, false, wxT("can't create wxWindow without parent") );
 124
 125     CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
 126
 127     parent->AddChild(this);
 128
 129     Display *xdisplay = (Display*) wxGlobalDisplay();
 130     int xscreen = DefaultScreen( xdisplay );
 131     Visual *xvisual = DefaultVisual( xdisplay, xscreen );
 132     Colormap cm = DefaultColormap( xdisplay, xscreen );
 133
 134     m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 135     m_backgroundColour.CalcPixel( (WXColormap) cm );
 136
 137     m_foregroundColour = *wxBLACK;
 138     m_foregroundColour.CalcPixel( (WXColormap) cm );
 139
 140     Window xparent = (Window) parent->GetClientAreaWindow();
 141
 142     // Add window's own scrollbars to main window, not to client window
 143     if (parent->GetInsertIntoMain())
 144     {
 145         // wxLogDebug( "Inserted into main: %s", GetName().c_str() );
 146         xparent = (Window) parent->GetMainWindow();
 147     }
 148
 149     // Size (not including the border) must be nonzero (or a Value error results)!
 150     // Note: The Xlib manual doesn't mention this restriction of XCreateWindow.
 151     wxSize size2(size);
 152     if (size2.x <= 0)
 153         size2.x = 20;
 154     if (size2.y <= 0)
 155         size2.y = 20;
 156
 157     wxPoint pos2(pos);
 158     if (pos2.x == wxDefaultCoord)
 159         pos2.x = 0;
 160     if (pos2.y == wxDefaultCoord)
 161         pos2.y = 0;
 162
 163     AdjustForParentClientOrigin(pos2.x, pos2.y);
 164
 165 #if wxUSE_TWO_WINDOWS
 166     bool need_two_windows =
 167         ((( wxSUNKEN_BORDER | wxRAISED_BORDER | wxSIMPLE_BORDER | wxHSCROLL | wxVSCROLL ) & m_windowStyle) != 0);
 168 #else
 169     bool need_two_windows = false;
 170 #endif
 171
 172 #if wxUSE_NANOX
 173     long xattributes = 0;
 174 #else
 175     XSetWindowAttributes xattributes;
 176     long xattributes_mask = 0;
 177
 178     xattributes_mask |= CWBackPixel;
 179     xattributes.background_pixel = m_backgroundColour.GetPixel();
 180
 181     xattributes_mask |= CWBorderPixel;
 182     xattributes.border_pixel = BlackPixel( xdisplay, xscreen );
 183
 184     xattributes_mask |= CWEventMask;
 185 #endif
 186
 187     if (need_two_windows)
 188     {
 189 #if wxUSE_NANOX
 190         long backColor, foreColor;
 191         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 192         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 193
 194         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 195                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 196         XSelectInput( xdisplay, xwindow,
 197           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 198           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 199           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 200                       PropertyChangeMask );
 201
 202 #else
 203         // Normal X11
 204         xattributes.event_mask =
 205             ExposureMask | StructureNotifyMask | ColormapChangeMask;
 206
 207         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 208             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 209
 210 #endif
 211
 212         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 213
 214         m_mainWindow = (WXWindow) xwindow;
 215         wxAddWindowToTable( xwindow, (wxWindow*) this );
 216
 217         XMapWindow( xdisplay, xwindow );
 218
 219 #if !wxUSE_NANOX
 220         xattributes.event_mask =
 221             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 222             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 223             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 224             PropertyChangeMask | VisibilityChangeMask ;
 225
 226         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 227         {
 228             xattributes_mask |= CWBitGravity;
 229             xattributes.bit_gravity = StaticGravity;
 230         }
 231 #endif
 232
 233         if (HasFlag( wxSUNKEN_BORDER) || HasFlag( wxRAISED_BORDER))
 234         {
 235             pos2.x = 2;
 236             pos2.y = 2;
 237             size2.x -= 4;
 238             size2.y -= 4;
 239         }
 240         else if (HasFlag( wxSIMPLE_BORDER ))
 241         {
 242             pos2.x = 1;
 243             pos2.y = 1;
 244             size2.x -= 2;
 245             size2.y -= 2;
 246         }
 247         else
 248         {
 249             pos2.x = 0;
 250             pos2.y = 0;
 251         }
 252
 253         // Make again sure the size is nonzero.
 254         if (size2.x <= 0)
 255             size2.x = 1;
 256         if (size2.y <= 0)
 257             size2.y = 1;
 258
 259 #if wxUSE_NANOX
 260         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 261         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 262
 263         xwindow = XCreateWindowWithColor( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 264                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 265         XSelectInput( xdisplay, xwindow,
 266           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 267           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 268           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 269                       PropertyChangeMask );
 270
 271 #else
 272         xwindow = XCreateWindow( xdisplay, xwindow, pos2.x, pos2.y, size2.x, size2.y,
 273             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 274 #endif
 275
 276         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 277
 278         m_clientWindow = (WXWindow) xwindow;
 279         wxAddClientWindowToTable( xwindow, (wxWindow*) this );
 280
 281         XMapWindow( xdisplay, xwindow );
 282     }
 283     else
 284     {
 285         // wxLogDebug( "No two windows needed %s", GetName().c_str() );
 286 #if wxUSE_NANOX
 287         long backColor, foreColor;
 288         backColor = GR_RGB(m_backgroundColour.Red(), m_backgroundColour.Green(), m_backgroundColour.Blue());
 289         foreColor = GR_RGB(m_foregroundColour.Red(), m_foregroundColour.Green(), m_foregroundColour.Blue());
 290
 291         Window xwindow = XCreateWindowWithColor( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 292                                     0, 0, InputOutput, xvisual, backColor, foreColor);
 293         XSelectInput( xdisplay, xwindow,
 294           GR_EVENT_MASK_CLOSE_REQ | ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 295           ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 296           KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 297                       PropertyChangeMask );
 298
 299 #else
 300         xattributes.event_mask =
 301             ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 302             ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 303             KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
 304             PropertyChangeMask | VisibilityChangeMask ;
 305
 306         if (!HasFlag( wxFULL_REPAINT_ON_RESIZE ))
 307         {
 308             xattributes_mask |= CWBitGravity;
 309             xattributes.bit_gravity = NorthWestGravity;
 310         }
 311
 312         Window xwindow = XCreateWindow( xdisplay, xparent, pos2.x, pos2.y, size2.x, size2.y,
 313             0, DefaultDepth(xdisplay,xscreen), InputOutput, xvisual, xattributes_mask, &xattributes );
 314 #endif
 315
 316         XSetWindowBackgroundPixmap( xdisplay, xwindow, None );
 317
 318         m_mainWindow = (WXWindow) xwindow;
 319         m_clientWindow = m_mainWindow;
 320         wxAddWindowToTable( xwindow, (wxWindow*) this );
 321
 322         XMapWindow( xdisplay, xwindow );
 323     }
 324
 325     // Is a subwindow, so map immediately
 326     m_isShown = true;
 327
 328     // Without this, the cursor may not be restored properly (e.g. in splitter
 329     // sample).
 330     SetCursor(*wxSTANDARD_CURSOR);
 331     SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 332
 333     // Don't call this, it can have nasty repercussions for composite controls,
 334     // for example
 335     //    SetSize(pos.x, pos.y, size.x, size.y);
 336
 337     return true;
 338 }
 339
 340 // Destructor
 341 wxWindowX11::~wxWindowX11()
 342 {
 343     SendDestroyEvent();
 344
 345     if (g_captureWindow == this)
 346         g_captureWindow = NULL;
 347
 348     m_isBeingDeleted = true;
 349
 350     DestroyChildren();
 351
 352     if (m_clientWindow != m_mainWindow)
 353     {
 354         // Destroy the cleint window
 355         Window xwindow = (Window) m_clientWindow;
 356         wxDeleteClientWindowFromTable( xwindow );
 357         XDestroyWindow( wxGlobalDisplay(), xwindow );
 358         m_clientWindow = NULL;
 359     }
 360
 361     // Destroy the window
 362     if ( m_mainWindow )
 363     {
 364         Window xwindow = (Window) m_mainWindow;
 365         wxDeleteWindowFromTable( xwindow );
 366         XDestroyWindow( wxGlobalDisplay(), xwindow );
 367         m_mainWindow = NULL;
 368     }
 369 }
 370
 371 // ---------------------------------------------------------------------------
 372 // basic operations
 373 // ---------------------------------------------------------------------------
 374
 375 void wxWindowX11::SetFocus()
 376 {
 377     Window xwindow = (Window) m_clientWindow;
 378
 379     wxCHECK_RET( xwindow, wxT("invalid window") );
 380
 381     // Don't assert; we might be trying to set the focus for a panel
 382     // with only static controls, so the panel returns false from AcceptsFocus.
 383     // The app should be not be expected to deal with this.
 384     if (!AcceptsFocus())
 385         return;
 386
 387 #if 0
 388     if (GetName() == "scrollBar")
 389     {
 390         char *crash = NULL;
 391         *crash = 0;
 392     }
 393 #endif
 394
 395     if (wxWindowIsVisible(xwindow))
 396     {
 397         wxLogTrace( _T("focus"), _T("wxWindowX11::SetFocus: %s"), GetClassInfo()->GetClassName());
 398         //        XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToParent, CurrentTime );
 399         XSetInputFocus( wxGlobalDisplay(), xwindow, RevertToNone, CurrentTime );
 400         m_needsInputFocus = false;
 401     }
 402     else
 403     {
 404         m_needsInputFocus = true;
 405     }
 406 }
 407
 408 // Get the window with the focus
 409 wxWindow *wxWindowBase::DoFindFocus()
 410 {
 411     Window xfocus = (Window) 0;
 412     int revert = 0;
 413
 414     XGetInputFocus( wxGlobalDisplay(), &xfocus, &revert);
 415     if (xfocus)
 416     {
 417         wxWindow *win = wxGetWindowFromTable( xfocus );
 418         if (!win)
 419         {
 420             win = wxGetClientWindowFromTable( xfocus );
 421         }
 422
 423         return win;
 424     }
 425
 426     return NULL;
 427 }
 428
 429 // Enabling/disabling handled by event loop, and not sending events
 430 // if disabled.
 431 bool wxWindowX11::Enable(bool enable)
 432 {
 433     if ( !wxWindowBase::Enable(enable) )
 434         return false;
 435
 436     return true;
 437 }
 438
 439 bool wxWindowX11::Show(bool show)
 440 {
 441     wxWindowBase::Show(show);
 442
 443     Window xwindow = (Window) m_mainWindow;
 444     Display *xdisp = wxGlobalDisplay();
 445     if (show)
 446     {
 447         // wxLogDebug( "Mapping window of type %s", GetName().c_str() );
 448         XMapWindow(xdisp, xwindow);
 449     }
 450     else
 451     {
 452         // wxLogDebug( "Unmapping window of type %s", GetName().c_str() );
 453         XUnmapWindow(xdisp, xwindow);
 454     }
 455
 456     return true;
 457 }
 458
 459 // Raise the window to the top of the Z order
 460 void wxWindowX11::Raise()
 461 {
 462     if (m_mainWindow)
 463         XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 464 }
 465
 466 // Lower the window to the bottom of the Z order
 467 void wxWindowX11::Lower()
 468 {
 469     if (m_mainWindow)
 470         XLowerWindow( wxGlobalDisplay(), (Window) m_mainWindow );
 471 }
 472
 473 void wxWindowX11::SetLabel(const wxString& WXUNUSED(label))
 474 {
 475     // TODO
 476 }
 477
 478 wxString wxWindowX11::GetLabel() const
 479 {
 480     // TODO
 481     return wxEmptyString;
 482 }
 483
 484 void wxWindowX11::DoCaptureMouse()
 485 {
 486     if ((g_captureWindow != NULL) && (g_captureWindow != this))
 487     {
 488         wxFAIL_MSG(wxT("Trying to capture before mouse released."));
 489
 490         // Core dump now
 491         int *tmp = NULL;
 492         (*tmp) = 1;
 493         return;
 494     }
 495
 496     if (m_winCaptured)
 497         return;
 498
 499     Window xwindow = (Window) m_clientWindow;
 500
 501     wxCHECK_RET( xwindow, wxT("invalid window") );
 502
 503     g_captureWindow = (wxWindow*) this;
 504
 505     if (xwindow)
 506     {
 507         int res = XGrabPointer(wxGlobalDisplay(), xwindow,
 508             FALSE,
 509             ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
 510             GrabModeAsync,
 511             GrabModeAsync,
 512             None,
 513             None, /* cursor */ // TODO: This may need to be set to the cursor of this window
 514             CurrentTime );
 515
 516         if (res != GrabSuccess)
 517         {
 518             wxString msg;
 519             msg.Printf(wxT("Failed to grab pointer for window %s"), this->GetClassInfo()->GetClassName());
 520             wxLogDebug(msg);
 521             if (res == GrabNotViewable)
 522                 wxLogDebug( wxT("This is not a viewable window - perhaps not shown yet?") );
 523
 524             g_captureWindow = NULL;
 525             return;
 526         }
 527
 528         m_winCaptured = true;
 529     }
 530 }
 531
 532 void wxWindowX11::DoReleaseMouse()
 533 {
 534     g_captureWindow = NULL;
 535
 536     if ( !m_winCaptured )
 537         return;
 538
 539     Window xwindow = (Window) m_clientWindow;
 540
 541     if (xwindow)
 542     {
 543         XUngrabPointer( wxGlobalDisplay(), CurrentTime );
 544     }
 545
 546     // wxLogDebug( "Ungrabbed pointer in %s", GetName().c_str() );
 547
 548     m_winCaptured = false;
 549 }
 550
 551 bool wxWindowX11::SetFont(const wxFont& font)
 552 {
 553     if ( !wxWindowBase::SetFont(font) )
 554     {
 555         // nothing to do
 556         return false;
 557     }
 558
 559     return true;
 560 }
 561
 562 bool wxWindowX11::SetCursor(const wxCursor& cursor)
 563 {
 564     if ( !wxWindowBase::SetCursor(cursor) )
 565     {
 566         // no change
 567         return false;
 568     }
 569
 570     Window xwindow = (Window) m_clientWindow;
 571
 572     wxCHECK_MSG( xwindow, false, wxT("invalid window") );
 573
 574     wxCursor cursorToUse;
 575     if (m_cursor.Ok())
 576         cursorToUse = m_cursor;
 577     else
 578         cursorToUse = *wxSTANDARD_CURSOR;
 579
 580     Cursor xcursor = (Cursor) cursorToUse.GetCursor();
 581
 582     XDefineCursor( wxGlobalDisplay(), xwindow, xcursor );
 583
 584     return true;
 585 }
 586
 587 // Coordinates relative to the window
 588 void wxWindowX11::WarpPointer (int x, int y)
 589 {
 590     Window xwindow = (Window) m_clientWindow;
 591
 592     wxCHECK_RET( xwindow, wxT("invalid window") );
 593
 594     XWarpPointer( wxGlobalDisplay(), None, xwindow, 0, 0, 0, 0, x, y);
 595 }
 596
 597 // Does a physical scroll
 598 void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
 599 {
 600     // No scrolling requested.
 601     if ((dx == 0) && (dy == 0)) return;
 602
 603     if (!m_updateRegion.IsEmpty())
 604     {
 605         m_updateRegion.Offset( dx, dy );
 606
 607         int cw = 0;
 608         int ch = 0;
 609         GetSize( &cw, &ch );  // GetClientSize() ??
 610         m_updateRegion.Intersect( 0, 0, cw, ch );
 611     }
 612
 613     if (!m_clearRegion.IsEmpty())
 614     {
 615         m_clearRegion.Offset( dx, dy );
 616
 617         int cw = 0;
 618         int ch = 0;
 619         GetSize( &cw, &ch );  // GetClientSize() ??
 620         m_clearRegion.Intersect( 0, 0, cw, ch );
 621     }
 622
 623     Window xwindow = (Window) GetClientAreaWindow();
 624
 625     wxCHECK_RET( xwindow, wxT("invalid window") );
 626
 627     Display *xdisplay = wxGlobalDisplay();
 628
 629     GC xgc = XCreateGC( xdisplay, xwindow, 0, NULL );
 630     XSetGraphicsExposures( xdisplay, xgc, True );
 631
 632     int s_x = 0;
 633     int s_y = 0;
 634     int cw;
 635     int ch;
 636     if (rect)
 637     {
 638         s_x = rect->x;
 639         s_y = rect->y;
 640
 641         cw = rect->width;
 642         ch = rect->height;
 643     }
 644     else
 645     {
 646         s_x = 0;
 647         s_y = 0;
 648         GetClientSize( &cw, &ch );
 649     }
 650
 651 #if wxUSE_TWO_WINDOWS
 652     wxPoint offset( 0,0 );
 653 #else
 654     wxPoint offset = GetClientAreaOrigin();
 655     s_x += offset.x;
 656     s_y += offset.y;
 657 #endif
 658
 659     int w = cw - abs(dx);
 660     int h = ch - abs(dy);
 661
 662     if ((h < 0) || (w < 0))
 663     {
 664         Refresh();
 665     }
 666     else
 667     {
 668         wxRect rect;
 669         if (dx < 0) rect.x = cw+dx + offset.x; else rect.x = s_x;
 670         if (dy < 0) rect.y = ch+dy + offset.y; else rect.y = s_y;
 671         if (dy != 0) rect.width = cw; else rect.width = abs(dx);
 672         if (dx != 0) rect.height = ch; else rect.height = abs(dy);
 673
 674         int d_x = s_x;
 675         int d_y = s_y;
 676
 677         if (dx < 0) s_x += -dx;
 678         if (dy < 0) s_y += -dy;
 679         if (dx > 0) d_x += dx + offset.x;
 680         if (dy > 0) d_y += dy + offset.y;
 681
 682         XCopyArea( xdisplay, xwindow, xwindow, xgc, s_x, s_y, w, h, d_x, d_y );
 683
 684         // wxLogDebug( "Copy: s_x %d s_y %d w %d h %d d_x %d d_y %d", s_x, s_y, w, h, d_x, d_y );
 685
 686         // wxLogDebug( "Update: %d %d %d %d", rect.x, rect.y, rect.width, rect.height );
 687
 688         m_updateRegion.Union( rect );
 689         m_clearRegion.Union( rect );
 690     }
 691
 692     XFreeGC( xdisplay, xgc );
 693
 694     // Move Clients, but not the scrollbars
 695     // FIXME: There may be a better method to move a lot of Windows within X11
 696     wxScrollBar *sbH = ((wxWindow *) this)->GetScrollbar( wxHORIZONTAL );
 697     wxScrollBar *sbV = ((wxWindow *) this)->GetScrollbar( wxVERTICAL );
 698     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 699     while ( node )
 700     {
 701         // Only propagate to non-top-level windows
 702         wxWindow *win = node->GetData();
 703         if ( win->GetParent() && win != sbH && win != sbV )
 704         {
 705             wxPoint pos = win->GetPosition();
 706             // Add the delta to the old Position
 707             pos.x += dx;
 708             pos.y += dy;
 709             win->SetPosition(pos);
 710         }
 711         node = node->GetNext();
 712     }
 713 }
 714
 715 // ---------------------------------------------------------------------------
 716 // drag and drop
 717 // ---------------------------------------------------------------------------
 718
 719 #if wxUSE_DRAG_AND_DROP
 720
 721 void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
 722 {
 723     // TODO
 724 }
 725
 726 #endif
 727
 728 // Old style file-manager drag&drop
 729 void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
 730 {
 731     // TODO
 732 }
 733
 734 // ----------------------------------------------------------------------------
 735 // tooltips
 736 // ----------------------------------------------------------------------------
 737
 738 #if wxUSE_TOOLTIPS
 739
 740 void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
 741 {
 742     // TODO
 743 }
 744
 745 #endif // wxUSE_TOOLTIPS
 746
 747 // ---------------------------------------------------------------------------
 748 // moving and resizing
 749 // ---------------------------------------------------------------------------
 750
 751 bool wxWindowX11::PreResize()
 752 {
 753     return true;
 754 }
 755
 756 // Get total size
 757 void wxWindowX11::DoGetSize(int *x, int *y) const
 758 {
 759     Window xwindow = (Window) m_mainWindow;
 760
 761     wxCHECK_RET( xwindow, wxT("invalid window") );
 762
 763     //XSync(wxGlobalDisplay(), False);
 764
 765     XWindowAttributes attr;
 766     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 767     wxASSERT(status);
 768
 769     if (status)
 770     {
 771         *x = attr.width /* + 2*m_borderSize */ ;
 772         *y = attr.height /* + 2*m_borderSize */ ;
 773     }
 774 }
 775
 776 void wxWindowX11::DoGetPosition(int *x, int *y) const
 777 {
 778     Window window = (Window) m_mainWindow;
 779     if (window)
 780     {
 781         //XSync(wxGlobalDisplay(), False);
 782         XWindowAttributes attr;
 783         Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
 784         wxASSERT(status);
 785
 786         if (status)
 787         {
 788             *x = attr.x;
 789             *y = attr.y;
 790
 791             // We may be faking the client origin. So a window that's really at (0, 30)
 792             // may appear (to wxWin apps) to be at (0, 0).
 793             if (GetParent())
 794             {
 795                 wxPoint pt(GetParent()->GetClientAreaOrigin());
 796                 *x -= pt.x;
 797                 *y -= pt.y;
 798             }
 799         }
 800     }
 801 }
 802
 803 void wxWindowX11::DoScreenToClient(int *x, int *y) const
 804 {
 805     Display *display = wxGlobalDisplay();
 806     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 807     Window thisWindow = (Window) m_clientWindow;
 808
 809     Window childWindow;
 810     int xx = x ? *x : 0;
 811     int yy = y ? *y : 0;
 812     XTranslateCoordinates(display, rootWindow, thisWindow,
 813                           xx, yy, x ? x : &xx, y ? y : &yy,
 814                           &childWindow);
 815 }
 816
 817 void wxWindowX11::DoClientToScreen(int *x, int *y) const
 818 {
 819     Display *display = wxGlobalDisplay();
 820     Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
 821     Window thisWindow = (Window) m_clientWindow;
 822
 823     Window childWindow;
 824     int xx = x ? *x : 0;
 825     int yy = y ? *y : 0;
 826     XTranslateCoordinates(display, thisWindow, rootWindow,
 827                           xx, yy, x ? x : &xx, y ? y : &yy,
 828                           &childWindow);
 829 }
 830
 831
 832 // Get size *available for subwindows* i.e. excluding menu bar etc.
 833 void wxWindowX11::DoGetClientSize(int *x, int *y) const
 834 {
 835     Window window = (Window) m_mainWindow;
 836
 837     if (window)
 838     {
 839         XWindowAttributes attr;
 840         Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
 841         wxASSERT(status);
 842
 843         if (status)
 844         {
 845             *x = attr.width ;
 846             *y = attr.height ;
 847         }
 848     }
 849 }
 850
 851 void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 852 {
 853     //    wxLogDebug("DoSetSize: %s (%ld) %d, %d %dx%d", GetClassInfo()->GetClassName(), GetId(), x, y, width, height);
 854
 855     Window xwindow = (Window) m_mainWindow;
 856
 857     wxCHECK_RET( xwindow, wxT("invalid window") );
 858
 859     XWindowAttributes attr;
 860     Status status = XGetWindowAttributes( wxGlobalDisplay(), xwindow, &attr );
 861     wxCHECK_RET( status, wxT("invalid window attributes") );
 862
 863     int new_x = attr.x;
 864     int new_y = attr.y;
 865     int new_w = attr.width;
 866     int new_h = attr.height;
 867
 868     if (x != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 869     {
 870         int yy = 0;
 871         AdjustForParentClientOrigin( x, yy, sizeFlags);
 872         new_x = x;
 873     }
 874     if (y != wxDefaultCoord || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 875     {
 876         int xx = 0;
 877         AdjustForParentClientOrigin( xx, y, sizeFlags);
 878         new_y = y;
 879     }
 880     if (width != wxDefaultCoord)
 881     {
 882         new_w = width;
 883         if (new_w <= 0)
 884             new_w = 20;
 885     }
 886     if (height != wxDefaultCoord)
 887     {
 888         new_h = height;
 889         if (new_h <= 0)
 890             new_h = 20;
 891     }
 892
 893     DoMoveWindow( new_x, new_y, new_w, new_h );
 894 }
 895
 896 void wxWindowX11::DoSetClientSize(int width, int height)
 897 {
 898     //    wxLogDebug("DoSetClientSize: %s (%ld) %dx%d", GetClassInfo()->GetClassName(), GetId(), width, height);
 899
 900     Window xwindow = (Window) m_mainWindow;
 901
 902     wxCHECK_RET( xwindow, wxT("invalid window") );
 903
 904     XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 905
 906     if (m_mainWindow != m_clientWindow)
 907     {
 908         xwindow = (Window) m_clientWindow;
 909
 910         wxWindow *window = (wxWindow*) this;
 911         wxRenderer *renderer = window->GetRenderer();
 912         if (renderer)
 913         {
 914             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 915             width -= border.x + border.width;
 916             height -= border.y + border.height;
 917         }
 918
 919         XResizeWindow( wxGlobalDisplay(), xwindow, width, height );
 920     }
 921 }
 922
 923 void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
 924 {
 925     Window xwindow = (Window) m_mainWindow;
 926
 927     wxCHECK_RET( xwindow, wxT("invalid window") );
 928
 929 #if !wxUSE_NANOX
 930
 931     XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, width, height );
 932     if (m_mainWindow != m_clientWindow)
 933     {
 934         xwindow = (Window) m_clientWindow;
 935
 936         wxWindow *window = (wxWindow*) this;
 937         wxRenderer *renderer = window->GetRenderer();
 938         if (renderer)
 939         {
 940             wxRect border = renderer->GetBorderDimensions( (wxBorder)(m_windowStyle & wxBORDER_MASK) );
 941             x = border.x;
 942             y = border.y;
 943             width -= border.x + border.width;
 944             height -= border.y + border.height;
 945         }
 946         else
 947         {
 948             x = 0;
 949             y = 0;
 950         }
 951
 952         wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
 953         if (sb && sb->IsShown())
 954         {
 955             wxSize size = sb->GetSize();
 956             height -= size.y;
 957         }
 958         sb = window->GetScrollbar( wxVERTICAL );
 959         if (sb && sb->IsShown())
 960         {
 961             wxSize size = sb->GetSize();
 962             width -= size.x;
 963         }
 964
 965         XMoveResizeWindow( wxGlobalDisplay(), xwindow, x, y, wxMax(1, width), wxMax(1, height) );
 966     }
 967
 968 #else
 969
 970     XWindowChanges windowChanges;
 971     windowChanges.x = x;
 972     windowChanges.y = y;
 973     windowChanges.width = width;
 974     windowChanges.height = height;
 975     windowChanges.stack_mode = 0;
 976     int valueMask = CWX | CWY | CWWidth | CWHeight;
 977
 978     XConfigureWindow( wxGlobalDisplay(), xwindow, valueMask, &windowChanges );
 979
 980 #endif
 981 }
 982
 983 void wxWindowX11::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 984 {
 985     m_minWidth = minW;
 986     m_minHeight = minH;
 987     m_maxWidth = maxW;
 988     m_maxHeight = maxH;
 989
 990 #if !wxUSE_NANOX
 991     XSizeHints sizeHints;
 992     sizeHints.flags = 0;
 993
 994     if (minW > -1 && minH > -1)
 995     {
 996         sizeHints.flags |= PMinSize;
 997         sizeHints.min_width = minW;
 998         sizeHints.min_height = minH;
 999     }
1000     if (maxW > -1 && maxH > -1)
1001     {
1002         sizeHints.flags |= PMaxSize;
1003         sizeHints.max_width = maxW;
1004         sizeHints.max_height = maxH;
1005     }
1006     if (incW > -1 && incH > -1)
1007     {
1008         sizeHints.flags |= PResizeInc;
1009         sizeHints.width_inc = incW;
1010         sizeHints.height_inc = incH;
1011     }
1012
1013     XSetWMNormalHints(wxGlobalDisplay(), (Window) m_mainWindow, &sizeHints );
1014 #endif
1015 }
1016
1017 // ---------------------------------------------------------------------------
1018 // text metrics
1019 // ---------------------------------------------------------------------------
1020
1021 int wxWindowX11::GetCharHeight() const
1022 {
1023     wxFont font(GetFont());
1024     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1025
1026 #if wxUSE_UNICODE
1027     // There should be an easier way.
1028     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1029     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1030     pango_layout_set_text(layout, "H", 1 );
1031     int w,h;
1032     pango_layout_get_pixel_size(layout, &w, &h);
1033     g_object_unref( G_OBJECT( layout ) );
1034
1035     return h;
1036 #else
1037     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1038
1039     int direction, ascent, descent;
1040     XCharStruct overall;
1041     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1042         &descent, &overall);
1043
1044     //  return (overall.ascent + overall.descent);
1045     return (ascent + descent);
1046 #endif
1047 }
1048
1049 int wxWindowX11::GetCharWidth() const
1050 {
1051     wxFont font(GetFont());
1052     wxCHECK_MSG( font.Ok(), 0, wxT("valid window font needed") );
1053
1054 #if wxUSE_UNICODE
1055     // There should be an easier way.
1056     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1057     pango_layout_set_font_description( layout, font.GetNativeFontInfo()->description );
1058     pango_layout_set_text(layout, "H", 1 );
1059     int w,h;
1060     pango_layout_get_pixel_size(layout, &w, &h);
1061     g_object_unref( G_OBJECT( layout ) );
1062
1063     return w;
1064 #else
1065     WXFontStructPtr pFontStruct = font.GetFontStruct(1.0, wxGlobalDisplay());
1066
1067     int direction, ascent, descent;
1068     XCharStruct overall;
1069     XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
1070         &descent, &overall);
1071
1072     return overall.width;
1073 #endif
1074 }
1075
1076 void wxWindowX11::GetTextExtent(const wxString& string,
1077                                 int *x, int *y,
1078                                 int *descent, int *externalLeading,
1079                                 const wxFont *theFont) const
1080 {
1081     wxFont fontToUse = GetFont();
1082     if (theFont) fontToUse = *theFont;
1083
1084     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
1085
1086     if (string.empty())
1087     {
1088         if (x) (*x) = 0;
1089         if (y) (*y) = 0;
1090         return;
1091     }
1092
1093 #if wxUSE_UNICODE
1094     PangoLayout *layout = pango_layout_new( wxTheApp->GetPangoContext() );
1095
1096     PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description;
1097     pango_layout_set_font_description(layout, desc);
1098
1099     const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
1100     pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
1101
1102     PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
1103
1104
1105     PangoRectangle rect;
1106     pango_layout_line_get_extents(line, NULL, &rect);
1107
1108     if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
1109     if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
1110     if (descent)
1111     {
1112         // Do something about metrics here
1113         (*descent) = 0;
1114     }
1115     if (externalLeading) (*externalLeading) = 0;  // ??
1116
1117     g_object_unref( G_OBJECT( layout ) );
1118 #else
1119     WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, wxGlobalDisplay());
1120
1121     int direction, ascent, descent2;
1122     XCharStruct overall;
1123     int slen = string.length();
1124
1125     XTextExtents((XFontStruct*) pFontStruct, (const char*) string.c_str(), slen,
1126                  &direction, &ascent, &descent2, &overall);
1127
1128     if ( x )
1129         *x = (overall.width);
1130     if ( y )
1131         *y = (ascent + descent2);
1132     if (descent)
1133         *descent = descent2;
1134     if (externalLeading)
1135         *externalLeading = 0;
1136 #endif
1137 }
1138
1139 // ----------------------------------------------------------------------------
1140 // painting
1141 // ----------------------------------------------------------------------------
1142
1143 void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
1144 {
1145     if (eraseBack)
1146     {
1147         if (rect)
1148         {
1149             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1150             m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
1151         }
1152         else
1153         {
1154             int height,width;
1155             GetSize( &width, &height );
1156
1157             // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1158             m_clearRegion.Clear();
1159             m_clearRegion.Union( 0, 0, width, height );
1160         }
1161     }
1162
1163     if (rect)
1164     {
1165          // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1166          m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
1167     }
1168     else
1169     {
1170         int height,width;
1171         GetSize( &width, &height );
1172
1173         // Schedule for later Updating in ::Update() or ::OnInternalIdle().
1174         m_updateRegion.Clear();
1175         m_updateRegion.Union( 0, 0, width, height );
1176     }
1177 }
1178
1179 void wxWindowX11::Update()
1180 {
1181     if (m_updateNcArea)
1182     {
1183         // wxLogDebug("wxWindowX11::UpdateNC: %s", GetClassInfo()->GetClassName());
1184         // Send nc paint events.
1185         SendNcPaintEvents();
1186     }
1187
1188     if (!m_updateRegion.IsEmpty())
1189     {
1190         // wxLogDebug("wxWindowX11::Update: %s", GetClassInfo()->GetClassName());
1191         // Actually send erase events.
1192         SendEraseEvents();
1193
1194         // Actually send paint events.
1195         SendPaintEvents();
1196     }
1197 }
1198
1199 void wxWindowX11::SendEraseEvents()
1200 {
1201     if (m_clearRegion.IsEmpty()) return;
1202
1203     wxClientDC dc( (wxWindow*)this );
1204     dc.SetClippingRegion( m_clearRegion );
1205
1206     wxEraseEvent erase_event( GetId(), &dc );
1207     erase_event.SetEventObject( this );
1208
1209     if (!GetEventHandler()->ProcessEvent(erase_event) )
1210     {
1211         Display *xdisplay = wxGlobalDisplay();
1212         Window xwindow = (Window) GetClientAreaWindow();
1213         XSetForeground( xdisplay, g_eraseGC, m_backgroundColour.GetPixel() );
1214
1215         wxRegionIterator upd( m_clearRegion );
1216         while (upd)
1217         {
1218             XFillRectangle( xdisplay, xwindow, g_eraseGC,
1219                             upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight() );
1220             upd ++;
1221         }
1222     }
1223
1224     m_clearRegion.Clear();
1225 }
1226
1227 void wxWindowX11::SendPaintEvents()
1228 {
1229     //    wxLogDebug("SendPaintEvents: %s (%ld)", GetClassInfo()->GetClassName(), GetId());
1230
1231     m_clipPaintRegion = true;
1232
1233     wxPaintEvent paint_event( GetId() );
1234     paint_event.SetEventObject( this );
1235     GetEventHandler()->ProcessEvent( paint_event );
1236
1237     m_updateRegion.Clear();
1238
1239     m_clipPaintRegion = false;
1240 }
1241
1242 void wxWindowX11::SendNcPaintEvents()
1243 {
1244     wxWindow *window = (wxWindow*) this;
1245
1246     // All this for drawing the small square between the scrollbars.
1247     int width = 0;
1248     int height = 0;
1249     int x = 0;
1250     int y = 0;
1251     wxScrollBar *sb = window->GetScrollbar( wxHORIZONTAL );
1252     if (sb && sb->IsShown())
1253     {
1254         height = sb->GetSize().y;
1255         y = sb->GetPosition().y;
1256
1257         sb = window->GetScrollbar( wxVERTICAL );
1258         if (sb && sb->IsShown())
1259         {
1260             width = sb->GetSize().x;
1261             x = sb->GetPosition().x;
1262
1263             Display *xdisplay = wxGlobalDisplay();
1264             Window xwindow = (Window) GetMainWindow();
1265             Colormap cm = (Colormap) wxTheApp->GetMainColormap( wxGetDisplay() );
1266             wxColour colour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE);
1267             colour.CalcPixel( (WXColormap) cm );
1268
1269             XSetForeground( xdisplay, g_eraseGC, colour.GetPixel() );
1270
1271             XFillRectangle( xdisplay, xwindow, g_eraseGC, x, y, width, height );
1272         }
1273     }
1274
1275     wxNcPaintEvent nc_paint_event( GetId() );
1276     nc_paint_event.SetEventObject( this );
1277     GetEventHandler()->ProcessEvent( nc_paint_event );
1278
1279     m_updateNcArea = false;
1280 }
1281
1282 // ----------------------------------------------------------------------------
1283 // event handlers
1284 // ----------------------------------------------------------------------------
1285
1286 // Responds to colour changes: passes event on to children.
1287 void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
1288 {
1289     wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
1290     while ( node )
1291     {
1292         // Only propagate to non-top-level windows
1293         wxWindow *win = node->GetData();
1294         if ( win->GetParent() )
1295         {
1296             wxSysColourChangedEvent event2;
1297             event.SetEventObject(win);
1298             win->GetEventHandler()->ProcessEvent(event2);
1299         }
1300
1301         node = node->GetNext();
1302     }
1303 }
1304
1305 // See handler for InFocus case in app.cpp for details.
1306 wxWindow* g_GettingFocus = NULL;
1307
1308 void wxWindowX11::OnInternalIdle()
1309 {
1310     // Update invalidated regions.
1311     Update();
1312
1313     // This calls the UI-update mechanism (querying windows for
1314     // menu/toolbar/control state information)
1315     if (wxUpdateUIEvent::CanUpdate((wxWindow*) this) && IsShown())
1316         UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1317
1318     // Set the input focus if couldn't do it before
1319     if (m_needsInputFocus)
1320     {
1321 #if 0
1322         wxString msg;
1323         msg.Printf("Setting focus for %s from OnInternalIdle\n", GetClassInfo()->GetClassName());
1324         printf(msg.c_str());
1325 #endif
1326         SetFocus();
1327
1328         // If it couldn't set the focus now, there's
1329         // no point in trying again.
1330         m_needsInputFocus = false;
1331     }
1332     g_GettingFocus = NULL;
1333 }
1334
1335 // ----------------------------------------------------------------------------
1336 // function which maintain the global hash table mapping Widgets to wxWidgets
1337 // ----------------------------------------------------------------------------
1338
1339 static bool DoAddWindowToTable(wxWindowHash *hash, Window w, wxWindow *win)
1340 {
1341     if ( !hash->insert(wxWindowHash::value_type(w, win)).second )
1342     {
1343         wxLogDebug( wxT("Widget table clash: new widget is 0x%08x, %s"),
1344                     (unsigned int)w, win->GetClassInfo()->GetClassName());
1345         return false;
1346     }
1347
1348     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x <-> window %p (%s)"),
1349                 (unsigned int) w, win, win->GetClassInfo()->GetClassName());
1350
1351     return true;
1352 }
1353
1354 static inline wxWindow *DoGetWindowFromTable(wxWindowHash *hash, Window w)
1355 {
1356     wxWindowHash::iterator i = hash->find(w);
1357     return i == hash->end() ? NULL : i->second;
1358 }
1359
1360 static inline void DoDeleteWindowFromTable(wxWindowHash *hash, Window w)
1361 {
1362     wxLogTrace( wxT("widget"), wxT("XWindow 0x%08x deleted"), (unsigned int) w);
1363
1364     hash->erase(w);
1365 }
1366
1367 // ----------------------------------------------------------------------------
1368 // public wrappers
1369 // ----------------------------------------------------------------------------
1370
1371 bool wxAddWindowToTable(Window w, wxWindow *win)
1372 {
1373     return DoAddWindowToTable(wxWidgetHashTable, w, win);
1374 }
1375
1376 wxWindow *wxGetWindowFromTable(Window w)
1377 {
1378     return DoGetWindowFromTable(wxWidgetHashTable, w);
1379 }
1380
1381 void wxDeleteWindowFromTable(Window w)
1382 {
1383     DoDeleteWindowFromTable(wxWidgetHashTable, w);
1384 }
1385
1386 bool wxAddClientWindowToTable(Window w, wxWindow *win)
1387 {
1388     return DoAddWindowToTable(wxClientWidgetHashTable, w, win);
1389 }
1390
1391 wxWindow *wxGetClientWindowFromTable(Window w)
1392 {
1393     return DoGetWindowFromTable(wxClientWidgetHashTable, w);
1394 }
1395
1396 void wxDeleteClientWindowFromTable(Window w)
1397 {
1398     DoDeleteWindowFromTable(wxClientWidgetHashTable, w);
1399 }
1400
1401 // ----------------------------------------------------------------------------
1402 // X11-specific accessors
1403 // ----------------------------------------------------------------------------
1404
1405 WXWindow wxWindowX11::GetMainWindow() const
1406 {
1407     return m_mainWindow;
1408 }
1409
1410 WXWindow wxWindowX11::GetClientAreaWindow() const
1411 {
1412     return m_clientWindow;
1413 }
1414
1415 // ----------------------------------------------------------------------------
1416 // TranslateXXXEvent() functions
1417 // ----------------------------------------------------------------------------
1418
1419 bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
1420 {
1421     switch (XEventGetType(xevent))
1422     {
1423         case EnterNotify:
1424         case LeaveNotify:
1425         case ButtonPress:
1426         case ButtonRelease:
1427         case MotionNotify:
1428         {
1429             wxEventType eventType = wxEVT_NULL;
1430
1431             if (XEventGetType(xevent) == EnterNotify)
1432             {
1433                 //if (local_event.xcrossing.mode!=NotifyNormal)
1434                 //  return ; // Ignore grab events
1435                 eventType = wxEVT_ENTER_WINDOW;
1436                 //            canvas->GetEventHandler()->OnSetFocus();
1437             }
1438             else if (XEventGetType(xevent) == LeaveNotify)
1439             {
1440                 //if (local_event.xcrossingr.mode!=NotifyNormal)
1441                 //  return ; // Ignore grab events
1442                 eventType = wxEVT_LEAVE_WINDOW;
1443                 //            canvas->GetEventHandler()->OnKillFocus();
1444             }
1445             else if (XEventGetType(xevent) == MotionNotify)
1446             {
1447                 eventType = wxEVT_MOTION;
1448             }
1449             else if (XEventGetType(xevent) == ButtonPress)
1450             {
1451                 wxevent.SetTimestamp(XButtonEventGetTime(xevent));
1452                 int button = 0;
1453                 if (XButtonEventLChanged(xevent))
1454                 {
1455                     eventType = wxEVT_LEFT_DOWN;
1456                     button = 1;
1457                 }
1458                 else if (XButtonEventMChanged(xevent))
1459                 {
1460                     eventType = wxEVT_MIDDLE_DOWN;
1461                     button = 2;
1462                 }
1463                 else if (XButtonEventRChanged(xevent))
1464                 {
1465                     eventType = wxEVT_RIGHT_DOWN;
1466                     button = 3;
1467                 }
1468                 else if ( xevent->xbutton.button == Button4 ||
1469                             xevent->xbutton.button == Button5 )
1470                 {
1471                     // this is the same value as used under wxMSW
1472                     static const int WHEEL_DELTA = 120;
1473
1474                     eventType = wxEVT_MOUSEWHEEL;
1475                     button = xevent->xbutton.button;
1476
1477                     wxevent.m_linesPerAction = 3;
1478                     wxevent.m_wheelDelta = WHEEL_DELTA;
1479
1480                     // Button 4 means mousewheel up, 5 means down
1481                     wxevent.m_wheelRotation = button == Button4 ? WHEEL_DELTA
1482                                                                 : -WHEEL_DELTA;
1483                 }
1484
1485                 // check for a double click
1486                 // TODO: where can we get this value from?
1487                 //long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
1488                 long dclickTime = 200;
1489                 long ts = wxevent.GetTimestamp();
1490
1491                 int buttonLast = win->GetLastClickedButton();
1492                 long lastTS = win->GetLastClickTime();
1493                 if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
1494                 {
1495                     // I have a dclick
1496                     win->SetLastClick(0, ts);
1497                     if ( eventType == wxEVT_LEFT_DOWN )
1498                         eventType = wxEVT_LEFT_DCLICK;
1499                     else if ( eventType == wxEVT_MIDDLE_DOWN )
1500                         eventType = wxEVT_MIDDLE_DCLICK;
1501                     else if ( eventType == wxEVT_RIGHT_DOWN )
1502                         eventType = wxEVT_RIGHT_DCLICK;
1503                 }
1504                 else
1505                 {
1506                     // not fast enough or different button
1507                     win->SetLastClick(button, ts);
1508                 }
1509             }
1510             else if (XEventGetType(xevent) == ButtonRelease)
1511             {
1512                 if (XButtonEventLChanged(xevent))
1513                 {
1514                     eventType = wxEVT_LEFT_UP;
1515                 }
1516                 else if (XButtonEventMChanged(xevent))
1517                 {
1518                     eventType = wxEVT_MIDDLE_UP;
1519                 }
1520                 else if (XButtonEventRChanged(xevent))
1521                 {
1522                     eventType = wxEVT_RIGHT_UP;
1523                 }
1524                 else return false;
1525             }
1526             else
1527             {
1528                 return false;
1529             }
1530
1531             wxevent.SetEventType(eventType);
1532
1533             wxevent.m_x = XButtonEventGetX(xevent);
1534             wxevent.m_y = XButtonEventGetY(xevent);
1535
1536             wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
1537                 || (XButtonEventLIsDown(xevent)
1538                 && (eventType != wxEVT_LEFT_UP)));
1539             wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
1540                 || (XButtonEventMIsDown(xevent)
1541                 && (eventType != wxEVT_MIDDLE_UP)));
1542             wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
1543                 || (XButtonEventRIsDown (xevent)
1544                 && (eventType != wxEVT_RIGHT_UP)));
1545
1546             wxevent.m_shiftDown = XButtonEventShiftIsDown(xevent);
1547             wxevent.m_controlDown = XButtonEventCtrlIsDown(xevent);
1548             wxevent.m_altDown = XButtonEventAltIsDown(xevent);
1549             wxevent.m_metaDown = XButtonEventMetaIsDown(xevent);
1550
1551             wxevent.SetId(win->GetId());
1552             wxevent.SetEventObject(win);
1553
1554             return true;
1555         }
1556     }
1557     return false;
1558 }
1559
1560 bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent, bool isAscii)
1561 {
1562     switch (XEventGetType(xevent))
1563     {
1564     case KeyPress:
1565     case KeyRelease:
1566         {
1567             char buf[20];
1568
1569             KeySym keySym;
1570             (void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
1571             int id = wxCharCodeXToWX (keySym);
1572             // id may be WXK_xxx code - these are outside ASCII range, so we
1573             // can't just use toupper() on id.
1574             // Only change this if we want the raw key that was pressed,
1575             // and don't change it if we want an ASCII value.
1576             if (!isAscii && (id >= 'a' && id <= 'z'))
1577             {
1578                 id = id + 'A' - 'a';
1579             }
1580
1581             wxevent.m_shiftDown = XKeyEventShiftIsDown(xevent);
1582             wxevent.m_controlDown = XKeyEventCtrlIsDown(xevent);
1583             wxevent.m_altDown = XKeyEventAltIsDown(xevent);
1584             wxevent.m_metaDown = XKeyEventMetaIsDown(xevent);
1585             wxevent.SetEventObject(win);
1586             wxevent.m_keyCode = id;
1587             wxevent.SetTimestamp(XKeyEventGetTime(xevent));
1588
1589             wxevent.m_x = XKeyEventGetX(xevent);
1590             wxevent.m_y = XKeyEventGetY(xevent);
1591
1592             return id > -1;
1593         }
1594     default:
1595         break;
1596     }
1597     return false;
1598 }
1599
1600 // ----------------------------------------------------------------------------
1601 // Colour stuff
1602 // ----------------------------------------------------------------------------
1603
1604 bool wxWindowX11::SetBackgroundColour(const wxColour& col)
1605 {
1606     wxWindowBase::SetBackgroundColour(col);
1607
1608     Display *xdisplay = (Display*) wxGlobalDisplay();
1609     int xscreen = DefaultScreen( xdisplay );
1610     Colormap cm = DefaultColormap( xdisplay, xscreen );
1611
1612     m_backgroundColour.CalcPixel( (WXColormap) cm );
1613
1614     // We don't set the background colour as we paint
1615     // the background ourselves.
1616     // XSetWindowBackground( xdisplay, (Window) m_clientWindow, m_backgroundColour.GetPixel() );
1617
1618     return true;
1619 }
1620
1621 bool wxWindowX11::SetForegroundColour(const wxColour& col)
1622 {
1623     if ( !wxWindowBase::SetForegroundColour(col) )
1624         return false;
1625
1626     return true;
1627 }
1628
1629 // ----------------------------------------------------------------------------
1630 // global functions
1631 // ----------------------------------------------------------------------------
1632
1633 wxWindow *wxGetActiveWindow()
1634 {
1635     // TODO
1636     wxFAIL_MSG(wxT("Not implemented"));
1637     return NULL;
1638 }
1639
1640 /* static */
1641 wxWindow *wxWindowBase::GetCapture()
1642 {
1643     return (wxWindow *)g_captureWindow;
1644 }
1645
1646
1647 // Find the wxWindow at the current mouse position, returning the mouse
1648 // position.
1649 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
1650 {
1651     return wxFindWindowAtPoint(wxGetMousePosition());
1652 }
1653
1654 void wxGetMouseState(int& rootX, int& rootY, unsigned& maskReturn)
1655 {
1656 #if wxUSE_NANOX
1657     /* TODO */
1658     rootX = rootY = 0;
1659     maskReturn = 0;
1660 #else
1661     Display *display = wxGlobalDisplay();
1662     Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
1663     Window rootReturn, childReturn;
1664     int winX, winY;
1665
1666     XQueryPointer (display,
1667                    rootWindow,
1668                    &rootReturn,
1669                    &childReturn,
1670                    &rootX, &rootY, &winX, &winY, &maskReturn);
1671 #endif
1672 }
1673
1674 // Get the current mouse position.
1675 wxPoint wxGetMousePosition()
1676 {
1677     int x, y;
1678     unsigned mask;
1679
1680     wxGetMouseState(x, y, mask);
1681     return wxPoint(x, y);
1682 }
1683
1684 wxMouseState wxGetMouseState()
1685 {
1686     wxMouseState ms;
1687     int x, y;
1688     unsigned mask;
1689
1690     wxGetMouseState(x, y, mask);
1691
1692     ms.SetX(x);
1693     ms.SetY(y);
1694
1695     ms.SetLeftDown(mask & Button1Mask);
1696     ms.SetMiddleDown(mask & Button2Mask);
1697     ms.SetRightDown(mask & Button3Mask);
1698
1699     ms.SetControlDown(mask & ControlMask);
1700     ms.SetShiftDown(mask & ShiftMask);
1701     ms.SetAltDown(mask & Mod3Mask);
1702     ms.SetMetaDown(mask & Mod1Mask);
1703
1704     return ms;
1705 }
1706
1707
1708 // ----------------------------------------------------------------------------
1709 // wxNoOptimize: switch off size optimization
1710 // ----------------------------------------------------------------------------
1711
1712 int wxNoOptimize::ms_count = 0;
1713
1714
1715 // ----------------------------------------------------------------------------
1716 // wxDCModule
1717 // ----------------------------------------------------------------------------
1718
1719 class wxWinModule : public wxModule
1720 {
1721 public:
1722     wxWinModule()
1723     {
1724         // we must be cleaned up before the display is closed
1725         AddDependency(wxClassInfo::FindClass(_T("wxX11DisplayModule")));
1726     }
1727
1728     virtual bool OnInit();
1729     virtual void OnExit();
1730
1731 private:
1732     DECLARE_DYNAMIC_CLASS(wxWinModule)
1733 };
1734
1735 IMPLEMENT_DYNAMIC_CLASS(wxWinModule, wxModule)
1736
1737 bool wxWinModule::OnInit()
1738 {
1739     Display *xdisplay = wxGlobalDisplay();
1740     int xscreen = DefaultScreen( xdisplay );
1741     Window xroot = RootWindow( xdisplay, xscreen );
1742     g_eraseGC = XCreateGC( xdisplay, xroot, 0, NULL );
1743     XSetFillStyle( xdisplay, g_eraseGC, FillSolid );
1744
1745     return true;
1746 }
1747
1748 void wxWinModule::OnExit()
1749 {
1750     Display *xdisplay = wxGlobalDisplay();
1751     XFreeGC( xdisplay, g_eraseGC );
1752 }